SPE polypropylene column CHROMABOND® HR-XAW, 200 mg

SPE-PP columns CHROMABOND®HR-XAW 3 ml vol., absorbent weight 200 mg Sec./tert. ammonium modified spherical polystyrene/divinylbenzene copoloymer, weak basic anion exchanger (mixed-mode) Pore size: 55-65 Å, particle size: 85 µm Spec. surface: 850 m2/g, pH stability: 1-14 Pore volume: 1,2-1,4 cm3/g Exchange capacity: >0,5 meq/g RP capacity: 350 mg/g (caffeine in water) Please note: high-purity material with homogenous surface and optimised pore structure - due to optimised production process - enables lowest blanks, outstanding recovery rates and highest reproducibility. Especially for the enrichment of strongly acidic analytes. Recommended applications: perfluorinated surfactants, acidic active ingredients from strongly matrix contaminated samples like e.g. urine, plasma, serum, strong acids with pKa <1 Similar phases: Oasis® WAX, StrataTM-X-AW